1. School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou, People’s Republic of China
2. Engineering Research Center of Nonferrous Metallurgy's New Equipment, Ministry of Education, Lanzhou University of Technology, Lanzhou, People’s Republic of China
3. The Green Aerotechnics Research Institute, Chongqing Jiaotong University, Chongqing, People’s Republic of China
4. Zhejiang Dai's Printing Machinery Co., Ltd, Zhejiang, People’s Republic of China